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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 05555300 VERMILION RIVER NEAR LEONORE, IL


Lasalle County, Illinois
Hydrologic Unit Code 07130002
Latitude  41°12'30", Longitude  88°55'51" NAD27
Drainage area 1,251  square miles
Gage datum 520.58 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 47 - 48 years of record in, ft3/s   (Calculation Period 1971-10-01 -> 2019-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 1,660 882 1,390 1,820 1,830 1,810 1,050 380 358 307 570 980
2 1,330 871 1,410 1,830 1,900 1,880 921 284 339 351 640 1,130
3 1,050 995 1,460 1,790 1,600 1,620 857 225 484 436 693 1,350
4 1,140 1,140 1,640 1,700 1,340 1,420 748 201 361 686 644 1,460
5 1,350 1,230 2,200 1,570 1,180 1,390 749 204 248 671 594 1,250
6 1,260 1,220 2,110 1,620 1,180 1,600 711 257 233 448 557 1,050
7 1,090 1,060 2,020 1,550 1,520 1,400 778 273 339 410 471 1,020
8 1,080 979 2,020 1,480 1,610 1,480 724 254 449 344 406 1,020
9 1,240 1,040 2,170 1,560 1,690 1,380 633 245 495 323 362 955
10 1,150 1,050 2,320 1,640 1,740 1,340 713 227 561 289 408 842
11 1,080 888 2,640 1,730 1,790 1,340 768 223 542 308 463 791
12 1,030 973 2,350 2,210 1,950 1,310 912 243 430 305 493 1,090
13 1,170 998 2,120 2,360 2,090 1,400 1,090 222 402 304 528 1,090
14 1,230 1,080 2,170 2,250 2,300 1,530 988 183 779 345 601 1,090
15 1,190 960 2,200 2,010 2,410 1,450 824 359 1,130 333 597 1,100
16 1,030 860 2,060 1,930 2,130 1,380 616 465 941 308 657 1,080
17 851 1,120 2,010 1,910 1,700 1,290 481 445 627 413 653 1,020
18 732 1,400 2,230 2,280 1,640 1,290 558 288 632 527 681 949
19 701 1,410 2,380 2,120 1,610 1,430 879 292 451 515 908 815
20 912 1,600 2,120 1,800 1,440 1,510 860 516 375 474 947 725
21 1,040 1,920 1,830 1,710 1,260 1,460 765 582 303 391 808 759
22 991 2,130 1,640 1,780 1,210 1,750 732 485 255 366 649 861
23 947 2,110 1,790 1,860 1,260 1,770 642 470 218 417 616 923
24 1,050 1,930 1,820 1,740 1,210 1,470 535 506 205 532 607 955
25 1,120 2,000 1,630 1,520 1,310 1,290 530 388 223 545 615 1,190
26 995 1,630 1,440 1,610 1,510 1,120 529 376 246 527 680 1,240
27 931 1,550 1,320 1,580 1,910 1,050 476 301 260 456 893 1,290
28 896 1,440 1,370 1,630 2,010 1,110 428 374 248 367 1,350 1,350
29 764 528 1,560 1,460 1,870 1,090 417 391 228 348 1,330 1,520
30 734   2,000 1,660 1,710 1,110 426 295 244 407 1,080 1,780
31 842   1,880   1,780   452 274   545   1,710